50562009 has 8 divisors (see below), whose sum is σ = 74906720. Its totient is φ = 33707988.

The previous prime is 50561971. The next prime is 50562037. The reversal of 50562009 is 90026505.

It is not a de Polignac number, because 50562009 - 2⁷ = 50561881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1872667 = 50562009 / (5 + 0 + 5 + 6 + 2 + 0 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50562049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936307 + ... + 936360.

It is an arithmetic number, because the mean of its divisors is an integer number (9363340).

Almost surely, 2^50562009 is an apocalyptic number.

It is an amenable number.

50562009 is a deficient number, since it is larger than the sum of its proper divisors (24344711).

50562009 is a wasteful number, since it uses less digits than its factorization.

50562009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872676 (or 1872670 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 50562009 is about 7110.6968012987. The cubic root of 50562009 is about 369.7783161952.

The spelling of 50562009 in words is "fifty million, five hundred sixty-two thousand, nine".